BUILD FIX (r143230): Fix renamed header and implementation of -[WebAccessibilityObjectWrapper accessibilityPostedNotification:]
<http://webkit.org/b/110077>

Fixes the following build failures:

    AccessibilityObjectIOS.mm:35:9: fatal error: 'AccessibilityObjectWrapperIOS.h' file not found
    #import "AccessibilityObjectWrapperIOS.h"
            ^
    1 error generated.

    WebAccessibilityObjectWrapperIOS.mm:2051:35: error: use of undeclared identifier 'notificationString'; did you mean 'notificationType'?
        if (AXNotificationCallback && notificationString)
                                      ^~~~~~~~~~~~~~~~~~
                                      notificationType
    WebAccessibilityObjectWrapperIOS.mm:2049:81: note: 'notificationType' declared here
    - (void)accessibilityPostedNotification:(WebCore::AXObjectCache::AXNotification)notificationType
                                                                                    ^
    WebAccessibilityObjectWrapperIOS.mm:2052:38: error: use of undeclared identifier 'notificationString'; did you mean 'notificationType'?
            AXNotificationCallback(self, notificationString, AXPostedNotificationContext);
                                         ^~~~~~~~~~~~~~~~~~
                                         notificationType
    WebAccessibilityObjectWrapperIOS.mm:2049:81: note: 'notificationType' declared here
    - (void)accessibilityPostedNotification:(WebCore::AXObjectCache::AXNotification)notificationType
                                                                                    ^
    WebAccessibilityObjectWrapperIOS.mm:2052:38: error: cannot initialize a parameter of type 'NSString *' with an lvalue of type 'WebCore::AXObjectCache::AXNotification'
            AXNotificationCallback(self, notificationString, AXPostedNotificationContext);
                                         ^~~~~~~~~~~~~~~~~~
    WebAccessibilityObjectWrapperIOS.mm:2049:81: error: conflicting parameter types in implementation of 'accessibilityPostedNotification:': 'NSString *' vs 'WebCore::AXObjectCache::AXNotification' [-Werror,-Wmismatched-parameter-types]
    - (void)accessibilityPostedNotification:(WebCore::AXObjectCache::AXNotification)notificationType
                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
    WebAccessibilityObjectWrapperBase.h:48:53: note: previous definition is here
    - (void)accessibilityPostedNotification:(NSString *)notificationName;
                                             ~~~~~~~~~~ ^
    4 errors generated.

* accessibility/ios/AccessibilityObjectIOS.mm: Fix name of
included header.
* accessibility/ios/WebAccessibilityObjectWrapperIOS.mm:
(-[WebAccessibilityObjectWrapper accessibilityPostedNotification:]):
Fix implementation to match declaration.

* accessibility/ios/WebAccessibilityObjectWrapperIOS.h:
* accessibility/ios/WebAccessibilityObjectWrapperIOS.mm:
* accessibility/ios/AXObjectCacheIOS.mm:
- Clean up #endif comments.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143263 268f45cc-cd09-0410-ab3c-d52691b4dbfc